package com.woniuxy02;

/**
 * @author 作者
 * @create 2025-06-04 11:05
 */
public class Test03 {
    public static void main(String[] args) {
        String s1="aaa";
        s1="bbb";
    }

    private static void testString(String s1) {
        s1="xxx";
    }
}
